66 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
| /*
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|     pybind11/options.h: global settings that are configurable at runtime.
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| 
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|     Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
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| 
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|     All rights reserved. Use of this source code is governed by a
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|     BSD-style license that can be found in the LICENSE file.
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| */
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| 
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| #pragma once
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| 
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| #include "detail/common.h"
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| 
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| PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
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| 
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| class options {
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| public:
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| 
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|     // Default RAII constructor, which leaves settings as they currently are.
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|     options() : previous_state(global_state()) {}
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| 
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|     // Class is non-copyable.
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|     options(const options&) = delete;
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|     options& operator=(const options&) = delete;
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| 
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|     // Destructor, which restores settings that were in effect before.
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|     ~options() {
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|         global_state() = previous_state;
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|     }
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| 
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|     // Setter methods (affect the global state):
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| 
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|     options& disable_user_defined_docstrings() & { global_state().show_user_defined_docstrings = false; return *this; }
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| 
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|     options& enable_user_defined_docstrings() & { global_state().show_user_defined_docstrings = true; return *this; }
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| 
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|     options& disable_function_signatures() & { global_state().show_function_signatures = false; return *this; }
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| 
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|     options& enable_function_signatures() & { global_state().show_function_signatures = true; return *this; }
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| 
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|     // Getter methods (return the global state):
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| 
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|     static bool show_user_defined_docstrings() { return global_state().show_user_defined_docstrings; }
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| 
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|     static bool show_function_signatures() { return global_state().show_function_signatures; }
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| 
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|     // This type is not meant to be allocated on the heap.
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|     void* operator new(size_t) = delete;
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| 
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| private:
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| 
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|     struct state {
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|         bool show_user_defined_docstrings = true;  //< Include user-supplied texts in docstrings.
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|         bool show_function_signatures = true;      //< Include auto-generated function signatures in docstrings.
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|     };
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| 
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|     static state &global_state() {
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|         static state instance;
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|         return instance;
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|     }
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| 
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|     state previous_state;
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| };
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| 
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| PYBIND11_NAMESPACE_END(PYBIND11_NAMESPACE)
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